| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [noun] for [det] [noun] | 224 |
|
| 2 | [be] a need for [adj] [noun] | 74 |
|
| 3 | [be] [art] need for [det] [noun] | 49 |
|
| 4 | [be] a need [prep] [det] [noun] | 15 |
|
